The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 08, 2008
Filed:
Feb. 14, 2006
Applicants:
Mitsuo Maeda, Tsukuba, JP;
Tomohiro Sato, Niihama, JP;
Shigehide Yoshida, Niiza, JP;
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/50 (2006.01); H01L 21/48 (2006.01); H01L 21/44 (2006.01); H01L 21/00 (2006.01); H01L 23/12 (2006.01); H01L 31/0203 (2006.01); G02B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
This method of manufacturing a lid made of a transparent resin comprises a step of introducing a resin into a cavity for molding a protrusion continuous with a cavity for molding a lid in a die; a step of forming a molded body including a lid and a protrusion continuous with the lid by solidifying the resin in the cavity for molding a lid and the cavity for molding a protrusion, respectively; a step of separating the molded body from the die by ejecting an ejector pin to the protrusion; and a step of separating the protrusion from the lid.